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by connecting a multimeter u can measure

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15y ago

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How do you find resistors in parallel?

Measure the voltage appearing across each resistor. If they are identical, and equal to the supply voltage, then the resistors are in parallel.


Why cant you use the voltage across the inductor and the voltage across the lamp to find the supply voltage in a fluorescent fitting?

Because the two voltages are out of phase, that means that individually they peak at different times in the AC cycle, so in general if they are measured separately their sum will exceed the supply voltage, possibly by up to 41%.


How do you find the voltage drop of a 12000 ohms relay with 0015 amps?

To find the voltage drop across a relay, you can use Ohm's Law, which states that voltage (V) equals current (I) multiplied by resistance (R). In this case, the current is 0.0015 amps and the resistance is 12,000 ohms. Therefore, the voltage drop can be calculated as V = I × R = 0.0015 A × 12,000 Ω = 18 volts. Thus, the voltage drop across the relay is 18 volts.


What formula to find the emf and internal resistance for cell when given the current and the voltage?

I don't think you can do that, with the information provided.


How do you find potential difference in a series circuit?

In a series circuit, the potential difference (voltage) across the entire circuit is equal to the sum of the potential differences across each individual component. To find the potential difference across a specific component, you can use Ohm's Law (V = I × R), where V is the voltage, I is the current through the circuit, and R is the resistance of that component. The total voltage supplied by the source is equal to the sum of the voltages across all components, so V_total = V1 + V2 + V3 + ... + Vn.

Related Questions

How do you find the power output of a light bulb?

To find the power output of a light bulb, you can use the formula ( P = V \times I ), where ( P ) is the power in watts, ( V ) is the voltage across the bulb in volts, and ( I ) is the current flowing through it in amperes. You can measure the voltage using a voltmeter and the current with an ammeter. Alternatively, if the bulb has a specified wattage rating (e.g., 60W), that value represents its power output directly.


How do you find the string efficiency?

string efficiency= voltage across the string ---------------------------------------- (N*voltage across the most stressed unit) N is the number of units in the string


How do you find string efficiency?

string efficiency= voltage across the string ---------------------------------------- (N*voltage across the most stressed unit) N is the number of units in the string


Find the output voltage of an amp whose input voltage is 0.05 volt and db gain is 35 db?

db gain is defined as power gain, not voltage gain. Please restate you question in terms of power, or provide details of input and output impedance.


How do you find the capacity of the fuel tank using voltage output. Actually I have a device where in i get the output of the fuel value inside the tank in the form of voltage. Please help?

Tell me what car the fuel tank is located in and I will tell you the fuel capacity.


How do you find resistors in parallel?

Measure the voltage appearing across each resistor. If they are identical, and equal to the supply voltage, then the resistors are in parallel.


Why is it possible to measure an electric potential across the terminals of a dry cell?

Batteries are a voltage storage device that hold a voltage potential until used. By using a volt meter you can find the stored voltage by placing the leads of the meter across the battery's positive and negative terminals.


Is it possible to find out how much voltage is stored in a solar cell?

Solar cells produce electricity rather than store voltage. The voltage produced by a solar cell depends on factors like sunlight intensity and cell characteristics. You can measure the voltage generated by a solar cell using a multimeter or similar device.


Is there a way to lower down the voltage output of a battery charger?

A: Simply by adding a series resistor from the battery charger. WHAT VALUE? find the current required and use it to IR drop the voltage


How do you find output wattage?

P(watts) = I (current) times E (voltage) hence it is known as the pie formula P=IE


Why cant you use the voltage across the inductor and the voltage across the lamp to find the supply voltage in a fluorescent fitting?

Because the two voltages are out of phase, that means that individually they peak at different times in the AC cycle, so in general if they are measured separately their sum will exceed the supply voltage, possibly by up to 41%.


How do you find the voltage drop of a 12000 ohms relay with 0015 amps?

To find the voltage drop across a relay, you can use Ohm's Law, which states that voltage (V) equals current (I) multiplied by resistance (R). In this case, the current is 0.0015 amps and the resistance is 12,000 ohms. Therefore, the voltage drop can be calculated as V = I × R = 0.0015 A × 12,000 Ω = 18 volts. Thus, the voltage drop across the relay is 18 volts.